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We’re thrilled to announce that Tailscale SSH is now Generally Available. Tailscale SSH allows Tailscale to manage the authentication and authorization of SSH connections on your tailnet. From the user’s perspective, you use SSH as normal—authenticating with Tailscale according to configurable rules—and we handle SSO, MFA, and key rotation, and allow you to enforce precise permissions in ACLs. Com
Hi, we’re back to talk about performance. You might remember us from our previous work (post #1 & post #2), which increased TCP throughput over wireguard-go, the userspace WireGuard® implementation that Tailscale uses. We’re releasing a set of changes that builds on this foundation, significantly improving UDP throughput on Linux. As with the previous work, we intend to upstream these changes to W
Today we’re expanding the list of devices that can run Tailscale, bringing secure remote networking to the Apple TV. The newly released tvOS 17 offers support for VPNs, and we’re proud to say Tailscale is among the first to use this new feature. You can now add your Apple TV directly to your tailnet, unlocking three powerful new use cases that we’re excited to share. Alex shows the power of Tailsc
Start Quickstart What is Tailscale? Terminology & concepts Install Tailscale Set up an identity provider Contact preferencesHow-to GuidesManage Access Manage ACLs Manage devices Manage users Tailnet lock Tailnet name Domain ownershipRoute Traffic Set up a subnet router Set up an exit node Use a Mullvad exit node Use DNS Set up MagicDNS Set up high availability Use an app connectorSet Up Servers Se
Tailscale has never supported password-based authentication. As security-conscious software that connects your private devices across the internet, we had to face a harsh reality: the password is outdated technology that requires kludges to use safely. Passwords must be complex enough that a human cannot remember them and they must not be reused across services, which means we now need software to
Today, we’re launching session recording for Tailscale SSH in beta, allowing you to record the terminal output whenever someone on your tailnet initiates a Tailscale SSH connection. You can use these recordings to detect threats, investigate security incidents, and remain compliant with your network security policies. Let’s talk about how it works: When a member of your tailnet initiates a connect
Today we’re announcing the third generation of Tailscale plans and pricing. Most noticeably: The Free plan is expanding from one to three users. Monthly paid plans now include three free users, and bill you only for additional users who actively exchange data over Tailscale (“usage-based billing”) rather than for a fixed number of seats. Annual prepaid plans will have a new structure. The new plan
Tailscale Funnel, a tool that lets you share a web server on your private tailnet with the public internet, is now available as a beta feature for all users. With Funnel enabled, you can share access to a local development server, test a webhook, or even host a blog. We got nerdsniped into simulating our logo going through a funnel. Funnel provides a DNS name tied to your node that becomes publicl
株式会社時雨堂は WebRTC SFU Sora (以下 Sora) というパッケージソフトウェアとそのクラウドサービスを開発、提供しています。 WebRTC (Real-Time Communication) は音声や映像、データを P2P でリアルタイムにやりとりするための技術です。 Sora は WebRTC SFU (Selective Forwarding Unit) で、P2P での通信とは異なり、音声や映像などを「サーバー経由」で配信する技術です。つまり、Sora が中間サーバーとして、音声や映像、データを配信者に代わって複数の視聴者に配信します。Sora があれば、視聴者の数が増えても配信者自身がすべの視聴者に音声や映像、データを送る必要はなく、Sora を介して一度に多くの視聴者へリアルタイムに配信できます。 時雨堂では 2015 年より Sora の開発を行い、その顧客
We made significant improvements to the throughput of wireguard-go, which is the userspace WireGuard® implementation that Tailscale uses. What this means for you: improved performance of the Tailscale client on Linux. We intend to upstream these changes to WireGuard as well. You can experience these improvements in the current unstable Tailscale client release, and also in Tailscale v1.36, availab
Tailscale lets you put all your devices on their own private tailnet so they can reach each other, ACLs permitting. Usually that’s nice and comforting, knowing that all your devices can then be isolated from the internet, without any ports needing to be open to the world. Sometimes, though, you need something from the big, scary, non-Tailscale internet to be able to reach your device. Maybe you ne
株式会社メルカリはフリマアプリ「メルカリ」を提供する企業であり、米国と日本においてバイヤーとセラーを結び付けている。月間2,000万人以上のアクティブユーザーを持つ同社のモバイルアプリでは、衣類、宝石、電子機器からオフィス用品、ペット用品まで、あらゆるものを販売・購入することができる。 米国と日本に拠点を持つリモート企業である同社は、アプリケーションや大容量データのホスティングにGoogle Cloud Platform (GCP)を活用している。そのため、同社の社員は、社内の開発用環境やサードパーティーのAPIといったリソースへ、事前に許可されたIPアドレスから安全にアクセスする必要がある。 同社の中島 博敬氏と金丸 洋平氏はメルカリグループへのTailscale導入を担当した。彼らは、このことが会社にとってゲームチェンジャーになったと語っている。 「Tailscaleは使い勝手がよく、
Today, we’re launching a web-based SSH client: Tailscale SSH Console. From the Tailscale admin console, admins will now see a little “SSH…” button to connect to devices running Tailscale SSH. Click this, and you’ll pop open an SSH client, right in your browser. Tailscale SSH Console is now available in beta. To start a Tailscale SSH Console session, click “SSH” on the device, select the username y
Tailscale automatically assigns IP addresses for every unique device in your network, giving each device an IP address no matter where it is located. We further improved on this with MagicDNS, which automatically registers a human-readable, easy-to-remember DNS name for each device — so you don’t need to use an IP address to access your devices. This means you can access the device monitoring, ev
Ever wanted to run your own DNS resolver but you don’t actually want to run your own DNS resolver because running DNS is fraught with pain? Tailscale now supports NextDNS! NextDNS lets you choose exactly how you want to run a DNS resolver — but they run it for you, all over the world. (It’s a bit more robust and lower latency from other cities than that Pi of yours dangling off the shelf by your c
Use your existing identity provider and multi-factor authentication to protect SSH connections. Protect SSH connections the same way you authorize and protect application access. Rotate keys with a single command. Tailscale does the key distribution. Each server and user device gets its own node key, used for authenticating and encrypting the Tailscale connection. Follow key management best practi
Today we’re delighted to introduce Tailscale SSH, to more easily manage SSH connections in your tailnet. Tailscale SSH allows you to establish SSH connections between devices in your Tailscale network, as authorized by your access controls, without managing SSH keys, and authenticates your SSH connection using WireGuard®. Many organizations already use Tailscale to protect their SSH sessions — for
You can use Tailscale to securely connect to the resources you need for development, including internal tools and databases, no matter where you are or where your development environment lives. Today, as part of DockerCon, we’re excited to launch our Tailscale Docker Desktop extension. The Tailscale extension for Docker Desktop makes it easy to share exposed container ports from your local machine
Previously on the Tailscale blog, I walked through how authentication works with Tailscale for Grafana and even for Minecraft. Today we’re going to take that basic concept and show how to extend it to services that you have proxied behind NGINX. The Grafana/Minecraft authentication proxy trick works because we set up a whole new node on your tailnet to proxy traffic directly to Grafana or Minecraf
Hi, it’s us again, the ones who used to store our database in a single JSON file on disk, and then moved to etcd. Time for another change! We’re going to put everything in a single file on disk again. As you might expect from our previous choice (and as many on the internet already predicted), we ran into some limits with etcd. Database size, write transaction frequency, of particular note: genera
WireGuard is a registered trademark of Jason A. Donenfeld. TL;DR: Tailscale’s free plan is free because we keep our scaling costs low relative to typical SaaS companies. We care about privacy, so unlike some other freemium models, you and your data are not the product. Rather, increased word-of-mouth from free plans sells the more valuable corporate plans. I know, it sounds too good to be true. Le
Tailscale on iOS runs as a special kind of app, a Network Extension. This lets us run in the background, so we can secure traffic from all of your applications, without them having to change anything. But with this power comes a memory straightjacket. Normal iOS apps can use 5GB or so of memory before iOS kills them. We get 15MB. With an “M”. That has been a constant pain point for our users—and e
How MagicDNS works Tailscale runs a DNS server built-in on every node, running at 100.100.100.100. Yes, Tailscale on your phone includes a DNS server. (We admit that “even on your phone!” is a little silly when phones are basically supercomputers these days.) The IP 100.100.100.100, usually pronounced “quad one hundred,” is part of the private Carrier-Grade NAT range. That means, just like IPs in
Recently, I’ve started blogging, and to serve the raw Markdown into delicious HTML and CSS, I wrote a basic web server in Go that compiles Markdown and then injects it into a template and serves it over HTTP. The biggest annoyance in this server is deployment; every change I make needs to be pulled on the server-side, potentially recompiled if the Go code changes, and restarted. Automating all thi
After a while people in FreeDesktop noticed that this constant battling for DNS supremacy was very annoying (not to mention configuring Wi-Fi connections was even more annoying) and they got together to create a better path forward. They called this NetworkManager. It uses a protocol called D-Bus to allow other programs to tell it what to do. This is a marked improvement over what resolvconf does.
Tailscale needed a better IP address type Tailscale is a networking application so naturally we need to work with and manipulate IP addresses and sets of IP addresses often. Being written almost entirely in Go, the obvious choice would be for Tailscale to use the Go standard library’s net.IP address type for individual IPs and net.IPNet type for networks. Unfortunately, the standard library’s type
WireGuard is a registered trademark of Jason A. Donenfeld. Lately, I get people asking me when microservices are a good idea. In systems design explains the world, I talked about big-picture issues like second system effect, innovator’s dilemmas, and more. Can systems design answer the microservices question? Yes, but you might not like the answers. First, we'll need some history. What is a micros
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